package interfaces;

import java.util.ArrayList;
import java.util.HashMap;

public interface Answer {

	HashMap<String, Integer> earlyTimes = new HashMap<String, Integer>();
	HashMap<String, Integer> lastTimes = new HashMap<String, Integer>();
	ArrayList<String> topologicalPath = new ArrayList<String>();

	String getAnswer(String NodeLetter);

	String getTopo(int position);

	int checkEarly(String NodeLetter);

	int checkLast(String NodeLetter);

	void addEarlyAnswers();

	void addLastAnswers();

	void addTopoPath();
}
